ReturnTo Theme-Group-Choice | Onelevelup |
3K023 | Air supply | |
F23L1/00 -99/00 |
F23L1/00;1/00@A | AA | AA00 AIR INTAKE PARTS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA08 | AA09 | AA10 | |
. Construction of air intake parts | . . Incoming air guides e. g. straightening plates or incoming air promoting plates | . . . Prevention of excessive incoming air e. g. windbreak plates | . . Adjustment members or movable members e. g. . dampers | . . Rain-proof members | . . Air intake parts for solid-fuel combustion apparatus | . Arrangements of air intakes | . Air intake mounting construction | . . Detachable mounting construction | ||||
F23L1/00;1/00@B | BA | BA00 AIR SUPPLY PASSAGES |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 |
. Air supply passage construction | . . Incoming air guides e. g. divided flow plates or straightening plates | . . . Prevention of excessive incoming air e. g. pressure equalisation plates or porous plates) | . . Indications of cross sections of air supply passages e. g. dimensions | . . Adjustment members or movable members | . . Connected to exhaust passages e. g. double tubes | . . Air supply passages for solid fuel combustion apparatus | . . Treatments for rain-proofing and drainage | . . Dehumidification | . . Prevention of overheating or cooling | |||
BA11 | BA13 | BA15 | ||||||||||
. . Noise reduction and sound-proofing | . Arrangements of air supply passages | . Installation construction and assembling construction of air supply passages | ||||||||||
F23L1/00;1/00@C | CA | CA00 BYPASSES FROM INCOMING AIR PASSAGES TO EXHAUST PASSAGES |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | ||||
. Prevention of dew condensation | . Cooling of exhaust gas | . Adjustments of supply or exhaust quantity | . . Balance of supply and exhaust | . . having variable means for varying bypass volumes | . . having detection means e. g. wind-pressure responding dampers | |||||||
F23L1/00;1/00@D;1/02 | DA | DA00 APERTURES TO COMBUSTION PARTS (KINDS OF COMBUSTION APPARATUS) |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | DA07 | DA08 | ||
. Solid-fuel combustion apparatus | . . Solid-waste incinerators | . Liquid-fuel combustion apparatus | . . Liquid waste incinerators e. g. incineration of waste oil | . . Pot burners | . . Rotary burners | . . Pressure spraying burners | . Gas fuel combustion apparatus | |||||
DB | DB00 APERTURES TO COMBUSTION PARTS (APERTURE POSITIONS) |
DB01 | DB02 | DB03 | DB05 | DB06 | DB07 | DB09 | ||||
. Furnace bottoms | . Side furnace walls | . Furnace ceilings | . Air vents that extend vertically in a furnace | . . Air vents that extend upward from the furnace bottoms | . Air vents that extend horizontally in a furnace | . Circumferences of burners | ||||||
DC | DC00 APERTURES TO COMBUSTION PARTS (APERTURE CONSTRUCTION) |
DC01 | DC02 | DC03 | DC04 | DC05 | ||||||
. Indications of air jet directions | . . Turning directions e. g. circumferential directions | . Adjustment members and movable members | . Indications of aperture ratios or air supply quantity | . Detachable aperture construction | ||||||||
F23L1/00;1/00@E | EA | EA00 TURNING MEANS AND FLAME STABILISING MEANS |
EA01 | EA02 | EA03 | EA04 | EA05 | EA07 | EA09 | EA10 | ||
. Porous plates and divided flow partitioning plates | . Turning means e. g. swirlers | . . supplying air to a tangent direction | . Flame stabilising means and flame stabilisers | . Adjustment members and movable members | . Indications of air volumes dimensions or angles e. g. magnitudes or limits on numerical values | . Low nitrogen oxides (NOx) | . Prevention of overheating or cooling | |||||
F23L1/00;1/00@F | FA | FA00 NOISE-REDUCTION MEANS |
FA01 | FA02 | FA03 | FA04 | ||||||
. Sound-absorption materials | . Resonance boxes | . Throttles or bending passages | . Prevention of generations of turbulent flows or swirling flows | |||||||||
F23L1/00;1/00@Z | GA | GA00 OTHER FEATURES OF AIR SUPPLY PASSAGES |
GA01 | GA02 | ||||||||
. Prevention of overheating or cooling | . Treatments of rain-proofing and drainage | |||||||||||
F23L5/00-5/04 | HA | HA00 BLAST-PRODUCING APPARATUS BEFORE THE FIRE |
HA01 | HA02 | HA03 | HA05 | HA06 | HA07 | HA08 | HA09 | ||
. blasting air by a plurality of blowers | . blasting air to a plurality of parallel combustion chambers | . blasting air by injector operations | . Features of blower driving means | . . driving by turbines | . . driving by engines | . . using thermal power generation elements as power supplies | . . used for driving both blowers and other apparatus | |||||
HA11 | HA12 | HA13 | HA14 | HA15 | HA16 | HA17 | HA19 | HA20 | ||||
. Adjustment means of air-blasting quantity e. g. dampers | . . Adjustment means of blower aerating quantity | . . Handling of abnormal air-blast pressure e. g. incoming air regulators | . . Air-blast adjustors including detection parts | . Cooling of blowers | . Air-blast guides e. g. straightening plates and drift-prevention plates | . Noise reduction | . Assembling construction and installation construction of blowers | . Arrangement of blowers | ||||
F23L7/00;7/00@A;7/00@C;7/00@Z | JA | JA00 SUPPLY SECTIONS OF NON-COMBUSTIBLE MEDIUMS |
JA01 | JA02 | JA03 | JA04 | JA05 | |||||
. Direct supply into combustion spaces | . Pre-mixing to air | . Pre-mixing to fuel | . Pre-mixing to mixtures of fuel and air | . Pre-mixing to recirculating exhaust gas | ||||||||
F23L7/00;7/00@C | JB | JB00 KINDS OF COMBUSTION APPARATUS |
JB01 | JB02 | JB03 | JB04 | JB05 | JB06 | ||||
. Solid-fuel combustion apparatus e. g. incinerators | . Liquid-fuel combustion apparatus | . . Pressure spraying burners | . . Rotary burners | . . Pot burners | . Gas-fuel combustion apparatus | |||||||
JC | JC00 SUPPLY OF WATER OR STEAM |
JC01 | JC02 | JC03 | JC04 | JC06 | JC07 | JC08 | ||||
. having adjustment members | . having detection means | . Indications of injection directions of water or steam | . . Turning directions | . Features of steam generation mechanisms | . . heating by combustion heat | . . Ultrasonic atomization | ||||||
F23L7/00;7/00@Z | JD | JD00 KINDS OF NONCOMBUSTIBLE MEDIUMS |
JD01 | JD02 | JD03 | JD04 | JD05 | JD06 | JD07 | JD09 | ||
. Inert gas | . . Combustion exhaust gas | . Ion gas | . . Gas after passing through electromagnetic fields | . . Ozone | . Ammonia | . Catalysts | . Others (free words) | |||||
F23L9/00-9/06 | KA | KA00 SECONDARY AIR SUPPLY (KINDS OF COMBUSTION APPARATUS) |
KA01 | KA02 | KA03 | KA04 | KA05 | KA06 | KA07 | KA08 | KA09 | KA10 |
. Solid-fuel combustion apparatus | . . Incinerators | . Liquid-fuel combustion apparatus | . . Pot burners | . . Rotary burners | . . Pressure spraying burners | . Gas-fuel combustion apparatus | . . Burners with linearly arranged flame ports | . . Burners with annularly arranged flame ports e. g. for cooking stoves | . . Burners with sheet-like arranged flame ports | |||
KB | KB00 SECONDARY AIR SUPPLY (SUPPLY METHODS) |
KB01 | KB02 | KB03 | KB04 | KB05 | KB06 | KB07 | KB09 | KB10 | ||
. Indications of secondary air supply directions | . . Directions along flows of flame and exhaust gas | . . . broadened toward the ends with respect to flows of flame and exhaust gas | . . crossing with flows of flame and exhaust gas | . . . obliquely downward to the bottom of a furnace | . . Opposite to flows of flame and exhaust gas | . . Turning directions | . Variable in injection directions | . Adjustment of supply quantity e. g. dampers | ||||
KB11 | KB12 | KB13 | KB15 | |||||||||
. supplying also tertiary air | . Recirculation of combustion exhaust gas | . preheating secondary air | . Indications of air quantity or speed e. g. quantity or limits on numerical values | |||||||||
KC | KC00 SECONDARY AIR SUPPLY (CONSTRUCTION) |
KC01 | KC02 | KC03 | KC05 | KC07 | ||||||
. Incoming air guides | . . Straightening plates e. g. porous plates | . Wind volume control plates e. g. porous plates and dampers | . Cooling of exhaust gas and combustion chambers | . Indications of aperture ratios and dimensions e. g. magnitudes and limits on numerical values | ||||||||
KD | KD00 SECONDARY AIR SUPPLY (APERTURE POSITIONS OF SECONDARY AIR PORTS) |
KD01 | KD02 | KD03 | KD04 | KD05 | KD07 | KD08 | KD09 | KD10 | ||
. Walls surrounding combustion spaces | . . Circumferences of burners | . . Gas turbine combustion chamber walls | . . Vicinities of boiler water tubes | . Vent tubes of combustion chambers | . Flue walls and chimney walls | . Vent tubes in flues and chimneys | . . Vent tubes arranged in the axial directions of an exhaust duct | . . Vent tubes arranged in the lateral directions of exhaust ducts | ||||
F23L3/00 | LA | LA00 DAMPER ARRANGEMENTS BEFORE THE FIRE (KINDS OF COMBUSTION APPARATUS) |
LA01 | LA02 | LA03 | LA04 | LA05 | LA06 | LA07 | LA08 | LA09 | |
. Solid-fuel combustion apparatus | . . Incinerator | . Liquid-fuel combustion apparatus | . . Pot burner | . . Rotary burner | . . Pressure spraying burner | . . Wick burner | . Gas-fuel combustion apparatus | . . Bunsen burner | ||||
LB | LB00 DAMPER ARRANGEMENTS BEFORE THE FIRE (FUNCTION) |
LB01 | LB02 | LB03 | LB04 | LB05 | LB06 | LB07 | LB08 | |||
. Adjustment of pressure and flow quantity e. g. regulators | . . Discharge of high-pressure air of incoming air passages | . . Adjustment of air supply speed | . . Adjustment of distribution amount to each incoming air passage | . . Adjustment interlocked with fuel supply | . . Adjustment having detection means | . . . having temperature sensing dampers | . . . having wind-pressure responding dampers | |||||
LB11 | LB12 | LB13 | LB14 | LB16 | LB17 | LB18 | LB20 | |||||
. Switching from forced draught to natural draught or vice versa | . Handling with strong winds and adverse winds | . Indications of air supply directions | . . Turning directions | . Combination of a plurality of dampers | . . Mutual interlocks by links | . . Fine adjustment by auxiliary dampers | . Air supply to a plurality of combustion chambers | |||||
LC | LC00 DAMPER ARRANGEMENTS BEFORE THE FIRE (ARRANGEMENT POSITIONS) |
LC01 | LC02 | LC03 | LC04 | LC05 | LC06 | LC08 | ||||
. Primary air passages | . Secondary air passages | . Tertiary air passages | . Branch point of each incoming air passage | . Passages before sorting (including articles not to be sorted) | . . Vicinities of blowers | . Bypass passages | ||||||
F23L11/00 | MA | MA00 DAMPER ARRANGEMENTS AFTER THE FIRE (FUNCTIONS) |
MA01 | MA02 | MA03 | MA04 | MA05 | MA06 | MA07 | MA08 | MA09 | MA10 |
. Adjustment of pressure and flow quantity in flues | . . Discharge of high-pressure exhaust gas e. g. pressure buffering | . . Adjustment of exhaust gas distribution | . . Adjustment having detection means e. g. temperature detection | . . . having wind-pressure responding dampers | . Switching of exhaust passages | . Switching from forced draught to natural draught or vice versa | . Heat retention of a furnace and prevention of heat radiation | . Prevention of adverse current of exhaust gas and intrusion of outside air | . Discharge of unburned gas at non-combustion | |||
MA11 | MA13 | MA15 | ||||||||||
. Fire protection and extinction | . Combination of a plurality of dampers | . Exhaust from a plurality of combustion chambers | ||||||||||
MB | MB00 DAMPER ARRANGEMENTS AFTER THE FIRE (ARRANGEMENT POSITIONS) |
MB01 | MB02 | MB03 | MB04 | |||||||
. Insides of combustion furnace | . Halfway of flue | . . Bypass passages | . Terminals of flues | |||||||||
F23L11/02 | NA | NA00 AIR INTRODUCTION TO FLUES |
NA01 | NA02 | NA03 | NA04 | ||||||
. Adjustment of draught force | . . Adjustment of furnace pressure | . Dew prevention | . Cooling of exhaust gas | |||||||||
F23L13/00-13/10 | PA | PA00 DAMPERS (FUNCTIONS) |
PA01 | PA02 | PA03 | PA04 | PA05 | PA06 | PA07 | PA08 | PA09 | PA10 |
. Heat retention of a furnace and prevention of heat radiation | . Fire protection and extinction | . Switching of draught passages | . Discharge of high-pressure air and high-pressure exhaust gas | . . handling with strong winds and adverse winds | . Intake of outside air | . Adjustment of distribution amount to each draught passage | . Indications of air supply directions | . . Turning directions | . Adjustment interlocked with fuel supply | |||
PB | PB00 DAMPERS (CONSTRUCTION) |
PB01 | PB02 | PB03 | PB04 | PB05 | PB06 | PB07 | PB09 | |||
. closed by gravity | . . having balance weights | . having detection means | . . Heat sensing dampers e. g. shape memory alloys | . . . using bimetals | . . Wind-pressure responding dampers | . having display means | . Combination of a plurality of dampers | |||||
PB11 | PB12 | PB13 | PB14 | PB15 | PB17 | PB18 | PB20 | |||||
. Seal | . Dust adhesion prevention e. g. seal air supply | . Drive mechanisms of dampers e. g. ring mechanisms | . . Using solenoids | . . Damper drive mechanisms in front of burner mixing tubes | . Adjustment of flow quantity and opening ratios | . Regulation of damper aperture range e. g. stoppers | . Cooling construction and heat resistance construction | |||||
PC | PC00 DAMPERS (ARRANGEMENT POSITIONS) |
PC01 | PC02 | PC04 | ||||||||
. Incoming air passages | . . In front of mixing tubes of burners | . Exhaust gas passages | ||||||||||
F23L13/02 | PD | PD00 DAMPER PIVOTED ABOUT A SINGLE AXIS |
PD01 | PD03 | PD05 | |||||||
. having air holes in damper blades | . Damper axis construction e. g. bearing construction | . Indications of damper blade mounting angles | ||||||||||
F23L13/04 | PE | PE00 DAMPERS WITH AXIS PERPENDICULAR TO FACE |
PE01 | PE02 | PE04 | PE06 | ||||||
. having air holes in damper blades | . . Air hole construction e. g. shapes and sizes | . Damper axis construction e. g. bearing construction | . construction of assembling installing and fixing dampers | |||||||||
F23L13/06 | PF | PF00 SLIDABLE DAMPERS |
PF01 | PF02 | PF04 | |||||||
. Plate-shaped dampers | . Cylindrical dampers | . having air holes in damper blades | ||||||||||
F23L13/08 | PG | PG00 DAMPERS OF ROLLER BLIND CONSTRUCTION OR SLAT PLATE CONSTRUCTION |
PG01 | PG02 | ||||||||
. Dampers of slat plate construction | . Dampers of roller blind construction e. g. iris type | |||||||||||
F23L15/00-15/04 | QA | QA00 TYPES AND APPLICATIONS OF COMBUSTION APPARATUS |
QA01 | QA02 | QA03 | QA04 | QA05 | QA06 | QA07 | QA08 | QA10 | |
. Steam generators e.g. boilers | . . Waste heat boilers | . Solid heating furnaces e. g. metal heating furnaces | . Hot-blast furnaces e. g. hot-blast furnaces for blast furnaces | . Dryers | . Melting furnaces | . Cracking furnaces e. g. coke ovens | . Rotary kilns | . Heaters | ||||
QA11 | QA12 | QA14 | QA16 | QA18 | ||||||||
. Incinerators | . . Incinerators for waste gas | . Fluidised bed furnaces | . Radiant tubes | . Other combustion apparatus (free words) | ||||||||
QB | QB00 AIR PREHEATING SYSTEMS |
QB01 | QB02 | QB03 | QB05 | QB06 | QB07 | QB08 | QB09 | QB10 | ||
. Combination of a plurality of air preheating heat exchangers | . . Multiple heat exchangers arranged in parallel | . Combination of air preheating exchangers and other heat exchangers | . Air preheating via water and steam | . Air preheating via heat pipes | . Air preheating via fluidised beds | . Air-preheating by mixing high-temperature mediums | . . Air-preheating by mixing exhaust gas | . Air-preheating by heating means other than waste heat | ||||
QB11 | QB13 | QB14 | QB15 | QB17 | QB18 | QB19 | QB20 | |||||
. . Air-preheating by electric heaters | . preheating secondary air. | . serving as both cooling and air-preheating apparatus. | . Cooling of preheated air e. g. used for preheating feedwater | . having adjustment means of heat exchange amounts. | . . having dampers. | . . having bypass passages. | . . having detection means. | |||||
QB21 | QB22 | |||||||||||
. . Preheating systems at start of combustion | . . Reflux of preheated air | |||||||||||
QC | QC00 CONSTRUCTION |
QC01 | QC02 | QC04 | QC05 | QC06 | QC07 | QC08 | ||||
. Detailed construction of heat exchangers | . . carrying catalysts at heat exchanges. | . Arrangements of air preheating parts | . . Peripheries of combustion chambers | . . Insides of combustion chambers | . . Vicinities of burners | . . halfway through flues or chimneys | ||||||
QC11 | QC12 | QC13 | ||||||||||
. Treatments of dehumidification or drainage | . Cleaning or removal of adhered articles | . Selection of materials (free words) | ||||||||||
F23L15/00;15/00@B | RA | RA00 PROTECTION OF HEAT EXCHANGERS |
RA01 | RA02 | RA03 | |||||||
. Dew prevention or corrosion prevention | . Prevention of overheating | . . Introduction of dilution air to exhaust gas | ||||||||||
F23L15/02 | SA | SA00 REGENERATIVE AIR PREHEATING |
SA01 | SA03 | SA04 | |||||||
. Rotary regenerative air preheating | . Prevention of exhaust gas leak in a heat exchange part | . Promotion of exhaust gas leak in a heat exchange part | ||||||||||
F23L15/04 | TA | TA00 RECUPERATING AIR PREHEATING |
TA01 | TA03 | ||||||||
. using latent heat of exhaust gas | . having orthogonal heat exchangers. |